Which optional parameter of the DESCRIPTION clause of a TNS entry can you use to randomizethe access to available listeners?A. FAILOVERB. LOAD_BALANCEC. SOURCE_ROUTED. TYPE_OF_SERVICE

Answer: BQuestion: 2

You are working as a DBA in a RAC environment that is available for testing. The RACenvironment has all the database files stored in the OCFS file system. You plan to install ASMand move all the database files to ASM to achieve better performance. During the installation,you selected redundancy level as normal for the disk group being added. What is the reason forselecting this redundancy level?A. You want to use hardware mirroring.B. You do not want to have any mirroring in the disk group.C. You have two failure groups defined, so you want to use two-way mirroring.D. You have three failure groups defined, so you want to use three-way mirroring.

Answer: CQuestion: 3

You are running a two-instance database with six redo log groups defined and decide to add athird thread to support a third database instance on the third node of the cluster. Which threecommands would you issue to achieve this using command line administration? (Choose three.)A. ALTER SYSTEM ENABLE THREAD 3;B. ALTER DATABASE ENABLE THREAD 3;C. ALTER SYSTEM ADD LOGFILE THREAD 3 GROUP 8;D. ALTER SYSTEM ADD LOGFILE THREAD 3 GROUP 7;E. ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 7;F. ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 8;

Answer: B, E, FQuestion: 4

Which initialization parameter would you use for each RAC instance to make sure that eachlistener on each RAC node is aware of the load of all the others?A. LOCAL_LISTENERB. REMOTE_LISTENERC. REMOTE_DEPENDENCIES_MODED. PREFER_LEAST_LOADED_NODE_<listener-name>

Answer: BQuestion: 5

You have a well-tuned, non-RAC single instance Oracle database with several services, all ofwhich perform perfectly. You plan to migrate the database to RAC in the next two weeks and allfile systems would be shared using Oracle Cluster File System. After the migration, you want toperform a test to monitor RAC-specific tuning issues that would not have occurred on a non-RAC

database. Which six areas would you monitor to determine whether there are RAC-specificperformance problems after migration? (Choose six.)A. Interconnect latencyB. Instance recovery timeC. Services with applications that use external tablesD. Services with applications that truncate large tablesE. Services with applications using local context variablesF. Services with query-intensive applications relying on full table scansG. Services with insert-intensive applications that use Oracle sequences for index keysH. Services with applications that have occasional queries, using index access on modestly sizedtablesI. Services with insert-intensive applications that generate their own keys without Oraclesequences

Answer: A, B, D, F, G, IQuestion: 6

After a power failure, you noticed that one of your cluster database instances did not startautomatically, whereas all other instances came up successfully. What would you do to determinethe precise cause for the instance startup failure? (Choose three.)A. Check the resource state by using the CRS_STAT command.B. Check for OCR corruptions by using the OCRCHECK command.C. Check the alert.log file that belongs to the instance that did not start.D. Check the alert.log file that belongs to the Oracle Clusterware software.E. Check if the Oracle Clusterware is functional by using the CRSCTL command.F. Reboot the node where the failing instance resides to check if the problem is persistent.G. Enable extra debugging in the Oracle Clusterware software by using the CRSCTL command.

Answer: A, C, DQuestion: 7

Which displays the cluster database performance page after the same workload has beenexecuted three times on your cluster without varying any non-Oracle workloads on the cluster.

What are the two ways by which you can tell that the corresponding application was better tunedduring the second and third execution? (Choose two.)A. There is less paging each time.B. The run queue length is going down each time.C. It takes less time to execute the workload each time.D. The number of transactions per second is getting higher each time.E. The database throughput graphic is below the red dashed line during the last execution.

After the cluster database has been successfully created, several postinstallation tasks should becompleted. Identify three of them. (Choose three.)A. Create the ASM instance.B. Back up the root.sh script.C. Initialize the cluster backup procedure.D. Set up additional required user accounts.